The Obsolete Desktop in Modern Use

People often don't think of using this break statement inside if-clause, but it's sometimes very useful. For example, without break, another code indentation depth to be added if (cond1){ do1(); if (cond2) { do2(); } } But if with 'break' statement, it's neat: if (cond1){ do1(); if (!cond2) break; do2(); } However, break inside if-clause is illegal, a trick with 'for' loop should work: for (let _ of [1]) if (cond1){ do1(); if (!cond2) break; do2();...